Intercommunication system



FIG. 1 is a front elevational view of an intercommunication systemshowing our new design;

FIG. 2 is a back elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a perspective view taken generally from the top, front,left-hand side thereof.

High-quality electronic copies of the drawings are available in theOffice's electronic record of this application.

CLAIM The ornamental design for an intercommunication system, as shownand described.